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org.apache.cocoon.selection
Class RequestAttributeSelector

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.cocoon.selection.RequestAttributeSelector

All Implemented Interfaces:

Component, Configurable, LogEnabled, ThreadSafe, Selector

public class RequestAttributeSelector
extends AbstractLogEnabled
implements Configurable, ThreadSafe, Selector

A Selector that matches a string against a configurable request attribute's string represenation.

Global and local configuration

attribute-name

String identifying the request attribute.

Version:

CVS $Id: RequestAttributeSelector.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Author:

Christian Haul, Sylvain Wallez, Vadim Gritsenko

Field Summary

protected String

defaultName

Fields inherited from interface org.apache.cocoon.selection.Selector

ROLE

Constructor Summary

RequestAttributeSelector()

Method Summary

void	configure(Configuration config)
boolean	select(String expression, Map objectModel, Parameters parameters) Selectors test pattern against some objects in a Map model and signals success with the returned boolean value

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

defaultName

protected String defaultName

Constructor Detail

RequestAttributeSelector

public RequestAttributeSelector()

Method Detail

configure

public void configure(Configuration config)
               throws ConfigurationException

Specified by:

configure in interface Configurable

Throws:

ConfigurationException

select

public boolean select(String expression,
                      Map objectModel,
                      Parameters parameters)

Description copied from interface: Selector

Selectors test pattern against some objects in a Map model and signals success with the returned boolean value

Specified by:

select in interface Selector

Parameters:

expression - The expression to test.

objectModel - The Map containing object of the calling environment which may be used to select values to test the expression.

parameters - The sitemap parameters, as specified by <parameter/> tags.

Returns:

boolean Signals successfull test.